>> hello and welcome to "global 3000." unaccompanied children are desperate to find a better future in the land of the free. in a moment we'll hear from those who take this journey -- and here's what's coming up. fleeing hondurans -- leave home for an uncertain future. magical trees -- what scientists are hoping to find in kenya's forests. and running on empty -- how california is dealing with a historic drought. given the choice between joining a gang that forces members to commit murder or fleeing your hometown -- what would you do?